Monthly Archives: November 2014

Gears are used to get things moving. Gears are one of the oldest tools around for transmitting motion. They are, in fact, behind most of your favorite moving items : trains, cars, watches, etc. American cartoonist Charles Schultz once said, “Life is like a ten speed bicycle. Most of us have gears we never use.” So get familiar with the gears that be and explore the possibilities!Bevel Gear
A bevel gear is the kind of thing you might find in a hand drill. Spiral bevel gears have curved teeth and are usually set to meet eachother at a 90* angle. This way, a bevel gear and actually change the direction of movement by 90* just by changing directions. A bevel gear is usually shaped like a cone so that it can easily change directions. (more…)